The Eagle Forged 4340 Crankshaft is engineered for high-performance applications, delivering exceptional strength and reliability. Crafted from SAE 4340 steel, this crankshaft is designed to withstand the rigors of demanding engine builds, making it suitable for setups producing up to 1500 horsepower.
This crankshaft undergoes a rigorous manufacturing process that includes non-twist forging, multi-stage heat treatment, stress relieving, shot peening, and nitriding. Each journal is micropolished to an R.A. of 3 or better, ensuring a smooth surface for optimal performance. A 0.125-inch radius is incorporated to enhance strength, requiring the use of chamfered bearings for proper fitment.
It is crucial to balance the crankshaft to match your specific rods and pistons for optimal performance. This ensures that the engine runs smoothly and efficiently, minimizing wear and tear on components.
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